Application  | Type of Material  | GM Part Number  | 
|---|---|---|
Rear Drive Axle  | Lubricant  | SAE 75W90 Synthetic Axle Lubricant GM P/N 89021677 (Canadian P/N 89021678) or equivalent meeting GM Specifications 9986115  | 
Pinion Yoke Splines  | Sealant  | 12346004 (Canadian P/N 10953480) or equivalent  |